208040805

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 435472128

約数和(自身を除く): 227431323

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 81, 105, 135, 183, 189, 243, 305, 315, 401, 405, 427, 549, 567, 915, 945, 1203, 1215, 1281, 1647, 1701, 2005, 2135, 2745, 2807, 2835, 3609, 3843, 4941, 6015, 6405, 8235, 8421, 8505, 10827, 11529, 14035, 14823, 18045, 19215, 24461, 24705, 25263, 32481, 34587, 42105, 54135, 57645, 73383, 74115, 75789, 97443, 103761, 122305, 126315, 162405, 171227, 172935, 220149, 227367, 366915, 378945, 487215, 513681, 518805, 660447, 682101, 856135, 1100745, 1136835, 1541043, 1981341, 2568405, 3302235, 3410505, 4623129, 5944023, 7705215, 9906705, 13869387, 23115645, 29720115, 41608161, 69346935, 208040805]

約数ペア:

[(1, 208040805), (3, 69346935), (5, 41608161), (7, 29720115), (9, 23115645), (15, 13869387), (21, 9906705), (27, 7705215), (35, 5944023), (45, 4623129), (61, 3410505), (63, 3302235), (81, 2568405), (105, 1981341), (135, 1541043), (183, 1136835), (189, 1100745), (243, 856135), (305, 682101), (315, 660447), (401, 518805), (405, 513681), (427, 487215), (549, 378945), (567, 366915), (915, 227367), (945, 220149), (1203, 172935), (1215, 171227), (1281, 162405), (1647, 126315), (1701, 122305), (2005, 103761), (2135, 97443), (2745, 75789), (2807, 74115), (2835, 73383), (3609, 57645), (3843, 54135), (4941, 42105), (6015, 34587), (6405, 32481), (8235, 25263), (8421, 24705), (8505, 24461), (10827, 19215), (11529, 18045), (14035, 14823)]